Finding the Fourth Proportional to 882,838.42, 1,218,232.74 and 495,565.09
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Solution
The fourth proportional to 882,838.42, 1,218,232.74 and 495,565.09 is: 683,832.52
Step by Step Solution
- Step 1: Write the proportion equation
882,838.42 : 1,218,232.74 = 495,565.09 : x - Step 2: Convert to fraction form
882,838.42/1,218,232.74 = 495,565.09/x - Step 3: Cross multiply
882,838.42x = 1,218,232.74 × 495,565.09 - Step 4: Simplify right side
882,838.42x = 603,713,617,439.05 - Step 5: Solve for x
x = 603,713,617,439.05/882,838.42 - Step 6: Final answer
x = 683,832.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.